Home / 180,739.14-249,421.85-100,168.44

Finding the Fourth Proportional to 180,739.14, 249,421.85 and 100,168.44

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Solution

The fourth proportional to 180,739.14, 249,421.85 and 100,168.44 is: 138,233.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,739.14 : 249,421.85 = 100,168.44 : x
  2. Step 2: Convert to fraction form
    180,739.14/249,421.85 = 100,168.44/x
  3. Step 3: Cross multiply
    180,739.14x = 249,421.85 × 100,168.44
  4. Step 4: Simplify right side
    180,739.14x = 24,984,197,616.41
  5. Step 5: Solve for x
    x = 24,984,197,616.41/180,739.14
  6. Step 6: Final answer
    x = 138,233.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.